DE69838157D1 - Transparenter Multiplexer/Demultiplexer - Google Patents
Transparenter Multiplexer/DemultiplexerInfo
- Publication number
- DE69838157D1 DE69838157D1 DE69838157T DE69838157T DE69838157D1 DE 69838157 D1 DE69838157 D1 DE 69838157D1 DE 69838157 T DE69838157 T DE 69838157T DE 69838157 T DE69838157 T DE 69838157T DE 69838157 D1 DE69838157 D1 DE 69838157D1
- Authority
- DE
- Germany
- Prior art keywords
- demultiplexer
- transparent multiplexer
- multiplexer
- transparent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/16—Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
- H04J3/1605—Fixed allocated frame structures
- H04J3/1611—Synchronous digital hierarchy [SDH] or SONET
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/08—Intermediate station arrangements, e.g. for branching, for tapping-off
- H04J3/085—Intermediate station arrangements, e.g. for branching, for tapping-off for ring networks, e.g. SDH/SONET rings, self-healing rings, meashed SDH/SONET networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J2203/00—Aspects of optical multiplex systems other than those covered by H04J14/05 and H04J14/07
- H04J2203/0001—Provisions for broadband connections in integrated services digital network using frames of the Optical Transport Network [OTN] or using synchronous transfer mode [STM], e.g. SONET, SDH
- H04J2203/0057—Operations, administration and maintenance [OAM]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J2203/00—Aspects of optical multiplex systems other than those covered by H04J14/05 and H04J14/07
- H04J2203/0001—Provisions for broadband connections in integrated services digital network using frames of the Optical Transport Network [OTN] or using synchronous transfer mode [STM], e.g. SONET, SDH
- H04J2203/0089—Multiplexing, e.g. coding, scrambling, SONET
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Time-Division Multiplex Systems (AREA)
- Optical Communication System (AREA)
- Small-Scale Networks (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/847,526 US5841760A (en) | 1997-04-24 | 1997-04-24 | Transparent multiplexer/demultiplexer |
US847526 | 1997-04-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69838157D1 true DE69838157D1 (de) | 2007-09-13 |
DE69838157T2 DE69838157T2 (de) | 2007-11-15 |
Family
ID=25300850
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69838157T Expired - Lifetime DE69838157T2 (de) | 1997-04-24 | 1998-04-22 | Transparenter Multiplexer/Demultiplexer |
Country Status (5)
Country | Link |
---|---|
US (1) | US5841760A (de) |
EP (1) | EP0874488B1 (de) |
JP (1) | JPH10341216A (de) |
CA (1) | CA2234790C (de) |
DE (1) | DE69838157T2 (de) |
Families Citing this family (44)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3663253B2 (ja) * | 1996-05-31 | 2005-06-22 | 株式会社日立コミュニケーションテクノロジー | 多重化伝送装置 |
US6298038B1 (en) * | 1997-04-24 | 2001-10-02 | Nortel Networks Limited | Transparent transport |
US6396852B1 (en) * | 1997-11-18 | 2002-05-28 | Jane Marie Simmons | Ring bundling in the design of rings for telecommunications networks |
EP0920152A3 (de) * | 1997-11-27 | 2002-09-18 | Hitachi, Ltd. | Verfahren und Vorrichtung zur Multiplexübertragung |
US6205158B1 (en) * | 1997-12-19 | 2001-03-20 | Nortel Networks Limited | Network architectures with transparent transport capabilities |
US6195367B1 (en) * | 1997-12-31 | 2001-02-27 | Nortel Networks Limited | Architectural arrangement for bandwidth management in large central offices |
US6526021B1 (en) * | 1998-04-03 | 2003-02-25 | Alcatel Network Systems, Inc. | Clear channel 1:N SONET transport system and method |
US6266345B1 (en) * | 1998-04-24 | 2001-07-24 | Xuan Zhon Ni | Method and apparatus for dynamic allocation of bandwidth to data with varying bit rates |
JP2000269912A (ja) | 1999-03-18 | 2000-09-29 | Fujitsu Ltd | 高速sdh信号による低速sdh信号の伝送方法と伝送装置 |
US6865181B1 (en) * | 1999-03-22 | 2005-03-08 | Cisco Technology, Inc. | Method and apparatus for routing telecommunications signals |
US7924706B1 (en) | 1999-03-22 | 2011-04-12 | Cisco Technology, Inc. | Method and apparatus for controlling the operation of a flexible cross-connect system |
US6522671B1 (en) | 1999-05-10 | 2003-02-18 | Nortel Networks Limited | Protocol independent sub-rate device |
WO2001031818A1 (fr) * | 1999-10-28 | 2001-05-03 | Fujitsu Limited | Systeme de transmission |
US6937614B1 (en) | 1999-11-12 | 2005-08-30 | Nortel Networks Limited | Transparent port for high rate networking |
US7292608B1 (en) * | 1999-11-30 | 2007-11-06 | Cisco Technology, Inc. | Method and apparatus for transferring synchronous optical network/synchronous digital hierarchy(SONET/SDH) frames on parallel transmission links |
CA2293521A1 (en) * | 1999-12-29 | 2001-06-29 | Phil Campbell | Asynchronous payload mapping using direct phase transfer |
IT1317614B1 (it) * | 2000-03-17 | 2003-07-15 | Cit Alcatel | Metodo ed apparato per trasmettere/ricevere segnali digitali dilivello stm-4(sdh) o sts-12(sonet) su due portanti rf in una sezione |
US6870860B1 (en) * | 2000-04-19 | 2005-03-22 | Ciena Corporation | Semi-transparent time division multiplexer/demultiplexer |
ATE253791T1 (de) * | 2000-05-26 | 2003-11-15 | Cit Alcatel | Verfahren zum übertragen von synchronen transportmodulen über ein synchrones transportnetz |
US6904061B2 (en) * | 2000-06-14 | 2005-06-07 | Vitesse Semiconductor Corporation | Transparent transport overhead mapping |
US7035204B1 (en) | 2000-07-26 | 2006-04-25 | Cicso Technology, Inc. | Method and apparatus for rerouting telecommunications signals |
US6822975B1 (en) * | 2000-09-08 | 2004-11-23 | Lucent Technologies | Circuitry for mixed-rate optical communication networks |
US6792005B1 (en) | 2000-09-08 | 2004-09-14 | Lucent Technologies Inc. | Timing circuitry for muxing/demuxing of optical communication signals |
US6826200B1 (en) * | 2000-11-29 | 2004-11-30 | Nortel Networks Limited | Combiner/TMUX simulated B1 transparency in fiber optic networks running SONET |
US6826201B2 (en) * | 2000-12-19 | 2004-11-30 | Nortel Networks Limited | Multiplexing SONET /SDH data streams using independent encoding schemes |
US6859453B1 (en) | 2000-12-19 | 2005-02-22 | Nortel Networks Limited | Clear channel access methods, apparatuses, media and signals |
US6885632B1 (en) * | 2000-12-21 | 2005-04-26 | Nortel Networks Limited | Method and system for signal degrade (SD) information passthrough in T-Mux systems |
US20020085590A1 (en) * | 2000-12-29 | 2002-07-04 | Booth Bradley J. | Method and apparatus for inserting user data into sonet data communications channel |
US7068663B1 (en) * | 2001-01-23 | 2006-06-27 | Cisco Technology, Inc. | Path routing and provisioning method and apparatus |
US7016378B1 (en) | 2001-01-26 | 2006-03-21 | Ciena Corporation | Method and system for automatically provisioning an overhead byte |
US7227844B1 (en) * | 2001-02-21 | 2007-06-05 | Cisco Technology, Inc. | Non-standard concatenation mapping for payloads |
US6580731B1 (en) | 2001-05-18 | 2003-06-17 | Network Elements, Inc. | Multi-stage SONET overhead processing |
US7002967B2 (en) | 2001-05-18 | 2006-02-21 | Denton I Claude | Multi-protocol networking processor with data traffic support spanning local, regional and wide area networks |
US7362759B2 (en) * | 2001-05-21 | 2008-04-22 | Intel Corporation | Method and apparatus for encoding information |
US7158517B2 (en) * | 2001-05-21 | 2007-01-02 | Intel Corporation | Method and apparatus for frame-based protocol processing |
US7180913B2 (en) * | 2001-07-25 | 2007-02-20 | Nortel Networks Limited | Transparent error count transfer method and apparatus |
US7075953B2 (en) | 2001-07-30 | 2006-07-11 | Network-Elements, Inc. | Programmable SONET framing |
US7633858B2 (en) * | 2001-09-10 | 2009-12-15 | Ciena Corporation | Providing embedded protection in a network cross-connect device for SONET networks |
DE60203690T2 (de) | 2002-02-12 | 2006-03-02 | Lucent Technologies Inc. | Verfahren und Vorrichtung zur Übertragung eines SDH/SONET Client-Signals als Dienstleistung |
US20030174739A1 (en) * | 2002-03-12 | 2003-09-18 | Gagnon Ronald J. | Termination equipment with an overhead processor programmable to pass through proprietary usage data in selected overhead data slots |
CN1241361C (zh) * | 2002-09-23 | 2006-02-08 | 华为技术有限公司 | 一种多厂家光同步数字系列设备管理信息的透传方法 |
US7440404B2 (en) * | 2004-02-24 | 2008-10-21 | Lucent Technologies Inc. | Load balancing method and apparatus for ethernet over SONET and other types of networks |
CN100373847C (zh) * | 2004-12-14 | 2008-03-05 | 华为技术有限公司 | 在光传送网中传输低速率业务信号的方法 |
CN101159495B (zh) * | 2006-10-08 | 2012-07-04 | 华为技术有限公司 | 无源光纤网络中信号传送系统、设备及方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5365510A (en) * | 1992-04-09 | 1994-11-15 | Northern Telecom Limited | Communications system with a single protection loop |
US5355362A (en) * | 1992-10-26 | 1994-10-11 | Nec America, Inc. | Digital loop carrier system |
JPH07123067A (ja) * | 1993-10-20 | 1995-05-12 | Hitachi Ltd | 多重化装置 |
US5436890A (en) * | 1993-12-30 | 1995-07-25 | Dsc Communications Corporation | Integrated multi-rate cross-connect system |
US5675580A (en) * | 1993-12-30 | 1997-10-07 | Dsc Communications Corporation | Processor device for terminating and creating synchronous transport signals |
MX9701843A (es) * | 1994-09-12 | 1997-06-28 | Dsc Comunications Corp | Enlaces de oficina integrados de conexion-cruzada digitales de estructura multiple integrada. |
-
1997
- 1997-04-24 US US08/847,526 patent/US5841760A/en not_active Expired - Lifetime
-
1998
- 1998-04-15 CA CA002234790A patent/CA2234790C/en not_active Expired - Lifetime
- 1998-04-22 DE DE69838157T patent/DE69838157T2/de not_active Expired - Lifetime
- 1998-04-22 EP EP98303100A patent/EP0874488B1/de not_active Expired - Lifetime
- 1998-04-24 JP JP10115087A patent/JPH10341216A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
CA2234790A1 (en) | 1998-10-24 |
JPH10341216A (ja) | 1998-12-22 |
EP0874488A3 (de) | 2001-03-14 |
EP0874488A2 (de) | 1998-10-28 |
US5841760A (en) | 1998-11-24 |
CA2234790C (en) | 2002-05-14 |
DE69838157T2 (de) | 2007-11-15 |
EP0874488B1 (de) | 2007-08-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
R082 | Change of representative |
Ref document number: 874488 Country of ref document: EP Representative=s name: PATENTANWAELTE WALLACH, KOCH & PARTNER, 80339 MUEN |